﻿namespace Devonline.AspNetCore;

/// <summary>
/// 图片水印服务接口
/// </summary>
public interface IImageWatermarkService
{
    /// <summary>
    /// 根据图片文件名和水印设置添加水印
    /// </summary>
    /// <param name="fileName">图片文件名</param>
    /// <returns></returns>
    string AddWatermark(string fileName);
}